/**
 * This class is for exceptions thrown by the vending machine class. Examples of
 * such exceptions include giving a price that is < 0, trying to add an item
 * that is already in a certain spot, etc.
 * 
 * @author wong
 */
public class VendingMachineException extends RuntimeException
{
	// Leave the line below in your code. You won't need to know what it is for
	// this course.
	private static final long serialVersionUID = 1L;



	/**
	 * Default constructor
	 */
	public VendingMachineException() {

	}



	/**
	 * Constructor with an error message
	 * 
	 * @param reason The error message for the exception
	 */
	public VendingMachineException(String reason) {
		super(reason);
	}
}
